n. 大提琴

[ noun ]
a large stringed instrument; seated player holds it upright while playing
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Violoncello \Vi`o*lon*cel"lo\ (?; 277), n. [It. violoncello,
dim. of violone a bass viol. See {Violone}.] (Mus.)
A stringed instrument of music; a bass viol of four strings,
or a bass violin with long, large strings, giving sounds an
octave lower than the viola, or tenor or alto violin.